EPA Method 551.1 Performance Check Sol’n

alpha-Endosulfan, 100 µg/ml, Methanol, 1ml

Spinetoram, 100 µg/ml, Acetonitrile, 1ml

2,2',3,4,4',5',6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-69-1